diff options
author | Matt DeVillier <matt.devillier@gmail.com> | 2023-01-23 10:23:55 -0600 |
---|---|---|
committer | Lean Sheng Tan <sheng.tan@9elements.com> | 2023-04-16 14:06:57 +0000 |
commit | e30d204d386f270b94bdeeb7797342031839c9c8 (patch) | |
tree | 42b2fcf57068bc56b6bbc4a6243481900f2b7510 | |
parent | cd3545556ee410dc722e7046c96ac0fc7da51ade (diff) |
soc/intel/jasperlake: Hook up GMA ACPI brightness controls
Add function needed to generate ACPI backlight control SSDT, along with
Kconfig values for accessing the registers.
Tested by adding gfx register on google/magpie. Backlight controls
work on Windows 10 and Linux 6.1.
Change-Id: Iaa9872cd590c3b1298667cc80354ed3efd91c6c8
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74324
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
-rw-r--r-- | src/soc/intel/jasperlake/Kconfig | 12 | ||||
-rw-r--r-- | src/soc/intel/jasperlake/Makefile.inc | 1 | ||||
-rw-r--r-- | src/soc/intel/jasperlake/chip.h | 4 | ||||
-rw-r--r-- | src/soc/intel/jasperlake/graphics.c | 11 |
4 files changed, 28 insertions, 0 deletions
diff --git a/src/soc/intel/jasperlake/Kconfig b/src/soc/intel/jasperlake/Kconfig index 338c46716c..660b24a79d 100644 --- a/src/soc/intel/jasperlake/Kconfig +++ b/src/soc/intel/jasperlake/Kconfig @@ -219,4 +219,16 @@ config SOC_INTEL_JASPERLAKE_DEBUG_CONSENT config PRERAM_CBMEM_CONSOLE_SIZE hex default 0x1400 + +config INTEL_GMA_BCLV_OFFSET + default 0xc8258 + +config INTEL_GMA_BCLV_WIDTH + default 32 + +config INTEL_GMA_BCLM_OFFSET + default 0xc8254 + +config INTEL_GMA_BCLM_WIDTH + default 32 endif diff --git a/src/soc/intel/jasperlake/Makefile.inc b/src/soc/intel/jasperlake/Makefile.inc index bd8dcd82d7..31ea8657ee 100644 --- a/src/soc/intel/jasperlake/Makefile.inc +++ b/src/soc/intel/jasperlake/Makefile.inc @@ -32,6 +32,7 @@ ramstage-y += espi.c ramstage-y += finalize.c ramstage-y += fsp_params.c ramstage-y += gpio.c +ramstage-y += graphics.c ramstage-y += lockdown.c ramstage-y += p2sb.c ramstage-y += pmc.c diff --git a/src/soc/intel/jasperlake/chip.h b/src/soc/intel/jasperlake/chip.h index 2839148764..3e47e00a63 100644 --- a/src/soc/intel/jasperlake/chip.h +++ b/src/soc/intel/jasperlake/chip.h @@ -5,6 +5,7 @@ #include <drivers/i2c/designware/dw_i2c.h> #include <gpio.h> +#include <drivers/intel/gma/gma.h> #include <intelblocks/cfg.h> #include <intelblocks/gspi.h> #include <intelblocks/pcie_rp.h> @@ -431,6 +432,9 @@ struct soc_intel_jasperlake_config { * false: Disabled (more wakes, higher power) */ bool cnvi_reduce_s0ix_pwr_usage; + + /* i915 struct for GMA backlight control */ + struct i915_gpu_controller_info gfx; }; typedef struct soc_intel_jasperlake_config config_t; diff --git a/src/soc/intel/jasperlake/graphics.c b/src/soc/intel/jasperlake/graphics.c new file mode 100644 index 0000000000..773f3c6de8 --- /dev/null +++ b/src/soc/intel/jasperlake/graphics.c @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <intelblocks/graphics.h> +#include <soc/ramstage.h> + +const struct i915_gpu_controller_info * +intel_igd_get_controller_info(const struct device *const dev) +{ + const struct soc_intel_jasperlake_config *const chip = dev->chip_info; + return &chip->gfx; +} |